DOE OSTI · 1471024
Preface
Abstract
High-temperature geothermal resources are often the manifestations of cooling magmatic intrusions, and are vertically zoned. Beneath the low-permeability cap and the hydrothermal circulation volume, there exists a zone of limited permeability where water does not circulate freely. At present, almost all of the commercial production of geothermal energy is derived from the relatively shallow (usually < 2–3 km) hydrothermal zone (i.e. zone where water can flow freely). Reliance on hydrothermal resources is dictated by currently available technology and by cost considerations.
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Blankenship, Douglas, Dobson, Patrick, Garg, Sabodh, Ghassemi, Ahmad, Kohl, Thomas. 2016-05-10. Preface. https://doi.org/10.1016/j.geothermics.2016.04.001
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